Larus cachinnans in the Netherlands

(last update: August 16, 2020)
Coordinator:
Albert de Jong
Merijn Loeve
Roland-Jan Buijs
Thijs Horst
Leon Kelder
Mars Muusse

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Nests at De Kreupel 2020
nest r-02P4 20
nest y-X804 20
nest D01 20
nest D02 20
nest D03 20
nest L01 20
nest L02 20
nest L03 20
nest M02 20

Nests at De Kreupel 2021
nest r-02P4 20
nest w-201U 21
nest g-XLHD 21
nest r-KA 21
nest r-KB 21
nest r-KC 21
nest r-KD 21
nest r-KE 21
nest r-KF 21
nest r-KH 21
nest r-KJ 21
nest r-KK 21
nest A01 21
nest C03 21
nest C04 21
nest C06 21
nest D01 21
nest D03 21
nest D05 21
nest D06 21
nest D07 21
nest D08 21
nest E01 21
nest H01 21
nest L01 21
nest L02 21
nest L05 21
nest L06 21
nest L07 21
nest M01 21
nest M04 21
nest M06 21
nest Q01 21

Caspian Gull cachinnans B.5 1CY-3CY, May 2021 - October 2023, the Netherlands. Picture: Eric Roeland, Thijs Horst, Ewout Huibers & Leon Kelder.

Red tibia ring r[B.5] and metal NLA 5.556.774, ringed as pullus Larus cachinnans on May 28 2021 at nest H01 in colony De Kreupel, the Netherlands - ringer Leon Kelder.
ID is certain: both parents are Caspian Gull cachinnans.

Recoveries:
11-06-2021 IJsselmeer (De Kreupel), Noord-Holland, NL 5.247,00 N 513,00 E captured by ringer Leon Kelder
02-06-2022 Marken (Markermeer), Noord-Holland, NL 5.227,00 N 507,00 E colourring read Frank Dorèl
05-11-2022 Marken (Markermeer), Noord-Holland, NL 5.227,00 N 507,00 E colourring read Ewout Huibers
01-12-2022 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
02-12-2022 Almere (De Blocq van Kuffeler), Flevoland, NL 5.225,00 N 513,00 E colourring read Eric Roeland
05-01-2023 Almere (Dashorstdijk), Flevoland, NL 5.225,00 N 512,00 E colourring read Thijs Horst
24-03-2023 Onderdijk (Vooroever), Noord-Holland, NL 5.244,00 N 508,00 E colourring read Leon Kelder
19-10-2023 Lelystad (Oostvaardersdijk), Flevoland, NL 5.228,00 N 519,00 E colourring read Thijs Horst

Date: details:          
28-5-2021 2 unringed adult Caspian Gull cachinnans at soil stockpile.        
  3 pulli in nest. metal: tibia: mass (gr): head + bill: tarsus:
https://waarneming.nl/observation/215268851/ NLA 5.556.772 r-B.3 180 64.1 37.3
  NLA 5.556.773 r-B.4 133 58.7 37.5
NLA 5.556.774 r-B.5 270 70.8 53.5
         
11-6-2021 1 pullus near nest. metal: tibia: mass (gr): head + bill: wing:
  https://waarneming.nl/observation/216987621/ NLA 5.556.774 r-B.5 805 104.4 190.5

below: Caspian Gull cachinnans B.5 3CY, October 19 2023, Almere, the Netherlands. Picture: Thijs Horst.

below: Caspian Gull cachinnans B.5 2CY, December 02 2022, Almere, the Netherlands. Picture: Eric Roeland.

below: Caspian Gull cachinnans B.5 2CY, November 05 2022, Marken, the Netherlands. Picture: Ewout Huibers.

below: Caspian Gull cachinnans B.5 1CY, June 11 2021, De Kreupel - H, the Netherlands. Picture: Leon Kelder.

below: Caspian Gull cachinnans B.5 1CY, May 28 2021, De Kreupel - H, the Netherlands. Picture: Leon Kelder.